Envi Sci Final Exam Review 2

What is the term for the maximum number of individuals an environment can support without degradation?

• Limiting factor

• Carrying capacity

• Growth curve

• Succession

Tags

VA.BIO.8.a.

Which of the following is a limiting factor in a population?

• Sunlight

• Carrying capacity

• Growth curve

• Succession

Tags

VA.BIO.8.a.

Which nutrient cycle involves the movement of carbon through the atmosphere, biosphere, and geosphere?

• Nitrogen cycle

• Water cycle

• Carbon cycle

• Phosphorus cycle

Tags

VA.BIO.8.b.

What is the main source of energy that drives most ecosystems?

• Wind

• Sunlight

• Water

• Soil

Tags

VA.BIO.8.b.

What is the term for the gradual process by which ecosystems change and develop over time?

• Limiting factor

• Succession

• Carrying capacity

• Growth curve

Tags

VA.BIO.8.c.

Which of the following is an example of a natural event that can influence an ecosystem?

• Deforestation

• Oil spill

• Hurricane

• Urbanization

Tags

VA.BIO.8.d.

Which human activity is most likely to decrease biodiversity in Virginia’s forests?

• Planting native trees

• Deforestation

• Controlled burning

• Wildlife conservation

Tags

VA.BIO.8.d.

A population of deer in a forest increases rapidly, then levels off. Which concept does this illustrate?

• Limiting factor

• Carrying capacity

• Succession

• Nutrient cycling

Tags

VA.BIO.8.a.

If a disease reduces the rabbit population in an ecosystem, what is this disease considered?

• Growth curve

• Limiting factor

• Succession

• Nutrient

Tags

VA.BIO.8.a.

Explain how energy flow differs from nutrient cycling in an ecosystem.

• Energy is recycled, nutrients are not.

• Nutrients flow in one direction, energy cycles.

• Energy flows in one direction, nutrients cycle.

• Both energy and nutrients flow in one direction.

Tags

VA.BIO.8.b.